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Big Bore Kit 1070cc Custom

Conrods 151,0 mm
For BMW R100 models from 9/80 on

1101101_1
Please inform me as soon as the product is available again.

€2,470.00

Prices incl. VAT, plus shipping costs

  • 1101101
Plug & Play Kit with clearance as far as the camshaft is concerned. “Piston capacity can only be... more
Big Bore Kit 1070cc Custom
Plug & Play Kit with clearance as far as the camshaft is concerned.

“Piston capacity can only be replaced by even more piston capacity” – this was the adopted motto during the company-internal development of the Siebenrock Big Bore Kit. The goal of this construction was to enhance the motor characteristics which were already outstanding thanks to the Power and Replacement Kits. We didn’t just say this, we went out and did it and the result for all BMW 1000 cc models from 1981 onwards was the 1070 cc Big Bore Kit, which turned out to be the ultimate solution for sporty touring riders. After modification, an amazing 80 hp is available at an engine torque of 92Nm. That’s what we call a convincing result.

This performance boost was achieved using 151 millimetre long, high-stability connecting rods which, when weight-optimized and fitted with ARP screws, only put 450 grams on the scales. Quite apart from this, 98 millimetre, weight-optimized pistons are used which only weigh 428 grams including the rings, bolts and clips. Thanks to the well-designed piston form, it is not necessary to adapt the cylinder head to the big bore.
All of the parts required to mount the kit are included within the scope of delivery.

The scope of delivery includes the following parts:

2 cylinders with pistons
Piston rings
Connecting rod with ARP screws
Gasket set cylinder
Socket for connecting rod screws.

Conrod bearing shell, art.no. 1124460, must be ordered seperately !

With MOT/TÜV approval and installation instruction.
Price for set.

For the classic BMW 2-valve Boxer models R 100, R 100CS, R 100RS, R 100RT, R 100RS Monolever (x), R 100RT Monolever (x), R 100GS (x), R 100R (x).
(x) = only permitted for vehicles up to 31.3.1994.

TIP
The use of dual ignition is strongly recommended.
Ready-to-install camshaft including camshaft gear and front camshaft bearing on request.
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Artikelbild Bearing shell conrod
Standard sized
For all BMW 2-valve models
€9.90
Prices incl. VAT, plus shipping costs
Part no. 1124460
Artikelbild Valve exhaust 38mm
For BMW R 75 and R 80 models
€48.50
Prices incl. VAT, plus shipping costs
Part no. 1134453
Artikelbild Oilfilterset
OX36D two-piece Mahle
BMW 2V Boxer with oilcooler
€14.65
Prices incl. VAT, plus shipping costs
Part no. 1142146
Artikelbild Valve intake 42mm
For BMW 2-valve from R 75/5 on
Not for R 45 and R 65
€25.90
Prices incl. VAT, plus shipping costs
Part no. 1134234
Artikelbild Valve spring
For all BMW 2-valve models
€5.25
Prices incl. VAT, plus shipping costs
Part no. 1134176
NEW
Artikelbild Silicone sealing compound
0.03 Liter (€465.00 / 1 Liter)
BMW 2V Boxer models
Drei Bond
Content 0.03 Liter (€465.00 * / 1 Liter)
€13.95
Prices incl. VAT, plus shipping costs
Part no. 0758376
Artikelbild Valve keeper
BMW R 45, R 65 models
€0.95
Prices incl. VAT, plus shipping costs
Part no. 1134136
Artikelbild Valve adjust screw "Sport"
Set
For all BMW 2-valve models
€89.90
Prices incl. VAT, plus shipping costs
Part no. 1133330
Artikelbild Silencers Set
38mm
For BMW /6 and /7 models
€349.00
Prices incl. VAT, plus shipping costs
Part no. 1811214
1134325_1 Valve keeper
For BMW 2-valve models
Not for R 45 and R 65
€1.20
Prices incl. VAT, plus shipping costs
Part no. 1134325
Artikelbild Brake disc 2-2 perforation BMW 2v Boxer
Deep shape
For BMW R 45, R 65, R 80ST, R 80G/S
€195.00
Prices incl. VAT, plus shipping costs
Part no. 3411005
Artikelbild Mirror plastic
Short Left and right side
For BMW Paralever models
€29.90
Prices incl. VAT, plus shipping costs
Part no. 5116078
Artikelbild Piston Ring Set 1000cc / 860cc
BMW 2V Boxer models
€29.50
Prices incl. VAT, plus shipping costs
Part no. 1125399
Artikelbild Gearbox gasket set
5-speed with kick starter
For BMW models from 9/80 on
€54.89
Prices incl. VAT, plus shipping costs
Part no. 2300596
Artikelbild Cylinder gasket set
For Power Kit 1000cc, Replacement Kit 1000cc
and BMW R 100 models from 9/1980 on
€39.95
Prices incl. VAT, plus shipping costs
Part no. 1100101
Artikelbild Valve Intake 44mm
For BMW R 100 models
€25.90
Prices incl. VAT, plus shipping costs
Part no. 1134751
Artikelbild Valve exhaust 40mm
30° lead-free
For BMW from /6 models on
€48.50
Prices incl. VAT, plus shipping costs
Part no. 1134285
Artikelbild Airfilter
LX56 Mahle
For BMW 2-valve from 9/80 on
€20.90
Prices incl. VAT, plus shipping costs
Part no. 1372080
Artikelbild Oilfilter
OX35 one-piece Mahle
For BMW 2-valve without oilcooler
€8.95
Prices incl. VAT, plus shipping costs
Part no. 1142035
Artikelbild Battery cover Right side
BMW R 80G/S, ST, R 65GS
€29.50
Prices incl. VAT, plus shipping costs
Part no. 4663640
Artikelbild Wind deflector. Windshield
BMW G/S, GS, R 80GS Basic
€98.00
Prices incl. VAT, plus shipping costs
Part no. 4663902
Artikelbild Oil pan gasket
For BMW 2-valve models
€6.95
Prices incl. VAT, plus shipping costs
Part no. 1113427
Artikelbild Simplex chain with master link
For BMW models from 9/78 on
€26.95
Prices incl. VAT, plus shipping costs
Part no. 1131934
Artikelbild Valve Exhaust 40mm
45°
For BMW R 80, R 90, R 100
€58.00
Prices incl. VAT, plus shipping costs
Part no. 1134837
Artikelbild Grip rubber
Right side Square-cut Black
For BMW from /7 models up
€7.95
Prices incl. VAT, plus shipping costs
Part no. 3272812
Artikelbild Main bearing crankshaft
Standard red
For BMW 2-valver models
€39.50
Prices incl. VAT, plus shipping costs
Part no. 1111155
Artikelbild Wind deflector mounting kit
BMW G/S, GS models
€17.90
Prices incl. VAT, plus shipping costs
Part no. 4663911
Artikelbild Big Bore Kit 1070cc
Conrods 151,0 mm
For BMW R100 models from 9/80 on
€2,750.00
Prices incl. VAT, plus shipping costs
Part no. 1101100
Artikelbild Big Bore Kit 1070cc Touring
Conrods 150,5mm
For BMW R 100 models from 9/80 on
€2,870.00
Prices incl. VAT, plus shipping costs
Part no. 1101110
NEW
1101111_1 Big Bore Kit 1070cc Touring
Conrods 150,5mm
For BMW R 100 models from 9/80 on
€2,590.00
Prices incl. VAT, plus shipping costs
Part no. 1101111
Artikelbild Double ignition kit
Silent Hektik
For BMW models from 9/78 on
€585.00
Prices incl. VAT, plus shipping costs
Part no. 1200100
Artikelbild Cylinder for Big Bore Kit
98mm
€446.00
Prices incl. VAT, plus shipping costs
Part no. 1109010
Artikelbild Power Kit 1000cc Plug & Play
BMW R 80, R 80RT, R 80G/S, R 80ST, R 80GS, R 80R
€899.00
Prices incl. VAT, plus shipping costs
Part no. 1100080
Artikelbild Piston for Big Bore Kit
98mm complete with 3 rings
€399.00
Prices incl. VAT, plus shipping costs
Part no. 1109022
Artikelbild Power Kit Extra 1000cc Stainless steel pus rod tubes
BMW R 80, R 80RT, R 80G/S, R 80ST, R 80GS, R 80R
€985.00
Prices incl. VAT, plus shipping costs
Part no. 1100082
11661002_1 Cylinder head Krauser
Left side
For Krauser 4-valve / MKM
€395.00
Prices incl. VAT, plus shipping costs
Part no. 11661002
1100103_1 Replacement Kit Extra 1000cc Plug & Play
BMW R 100, R 100CS, R 100RS, R 100RT, R 100GS, R 100R
€985.00
Prices incl. VAT, plus shipping costs
Part no. 1100103
Artikelbild Power Kit Extra 1000cc 97mm Plug & Play
BMW R 75/5, R 75/6, R 90/6 , R 90S,up to 9/7
€1,029.00
Prices incl. VAT, plus shipping costs
Part no. 1100072
Artikelbild Conrod
For Big Bore Kit
151,0 mm
€272.00
Prices incl. VAT, plus shipping costs
Part no. 1109045
Artikelbild Replacement Kit Extra 1000cc 99mm Plug & Play
BMW R 100/7, R 100S, R 100RS, R 100RT
€1,015.00
Prices incl. VAT, plus shipping costs
Part no. 1100105
Artikelbild Asymmetrical camshaft
For BMW R 2V models from 9/78 on
€298.00
Prices incl. VAT, plus shipping costs
Part no. 1131800
Artikelbild Power Kit Extra 1000cc 99mm Stainless steel pushrod tubes
BMW R 75/6, R 90/6, R 90S, R 75/7, R 80/7, R 80RT

€1,015.00
Prices incl. VAT, plus shipping costs
Part no. 1100085
SHZ2335_1 Alternator410W three-phase with PowerBlock
BMW 2V Boxer models
Digital single ignition 107mm centering
€989.00
Prices incl. VAT, plus shipping costs
Part no. SHZ2335
Artikelbild Replacement Kit 1000cc Plug & Play
BMW R 100, R 100CS, R 100RS, R 100RT, R 100GS, R 100R
€899.00
Prices incl. VAT, plus shipping costs
Part no. 1100100
Artikelbild Power Kit 860cc Plug & Play
BMW R 45 from 9/80, R 65GS, R 65 Mono 27hp
€950.00
Prices incl. VAT, plus shipping costs
Part no. 1100860
Artikelbild Camshaft asymmetric
For BMW R 45, R 65 models
€298.00
Prices incl. VAT, plus shipping costs
Part no. 1131180
Artikelbild Double ignition kit
SDZ
For BMW 2-valve models from 9/78 on
€585.00
Prices incl. VAT, plus shipping costs
Part no. 1200150
Artikelbild Conrod
For Big Bore Kit Touring
150,5 mm
€309.00
Prices incl. VAT, plus shipping costs
Part no. 1109044
Artikelbild Bearing shell conrod
Standard sized
For all BMW 2-valve models
€9.90
Prices incl. VAT, plus shipping costs
Part no. 1124460
Artikelbild Sport cam follower-tappet
Wank
For BMW 2-valve models
€119.00
Prices incl. VAT, plus shipping costs
Part no. 1133638
Artikelbild Oil pan distance ring Black
BMW 2v Boxer
€159.00
Prices incl. VAT, plus shipping costs
Part no. 1113100S
Artikelbild Oil pan distance ring
BMW 2v Boxer
€119.00
Prices incl. VAT, plus shipping costs
Part no. 1113100
Artikelbild Conrod screw ARP Racing
For Big Bore Kit
€59.90
Prices incl. VAT, plus shipping costs
Part no. 1109004
Artikelbild Power Kit 1000cc 99mm Plug & Play
BMW R 75/6, R 75/7, R 80/7, R 890/6, R 90S
€929.00
Prices incl. VAT, plus shipping costs
Part no. 1100084
Artikelbild Camshaft Sport 320°
For BMW 2-valve models from 9/78 on
€329.00
Prices incl. VAT, plus shipping costs
Part no. 1131824
NEW
1109016_1 Piston Ring Tensioner Pliers
For Power Kit, Replacement Kit, Big Bore Kit.
€74.50
Prices incl. VAT, plus shipping costs
Part no. 1109016
Artikelbild Power Kit 860cc Plug & Play
BMW R 65 up to 9/80
€989.00
Prices incl. VAT, plus shipping costs
Part no. 1100871
Artikelbild Replacement Kit 1000cc 99mm Plug & Play
BMW R 100/7, R 100RS, R 100RT
€929.00
Prices incl. VAT, plus shipping costs
Part no. 1100104
NEW
1109015_1 Piston ring Tension belt
For Power Kit, Replacement Kit and Big Bore Kit pistons
€22.50
Prices incl. VAT, plus shipping costs
Part no. 1109015
Artikelbild Speedometer GS2 km version
BMW R 65GS, R 80G/S, R 80/100 GS, R 80GS Basic
"Plug and Play"
€299.00
Prices incl. VAT, plus shipping costs
Part no. 6212646
Artikelbild Camshaft Sport 320°
For BMW 2-valve from 9/78 on
€329.00
Prices incl. VAT, plus shipping costs
Part no. 1131820
Artikelbild Complete exhaust system
Chrome plated
For BMW R 80ST
€1,369.00
Prices incl. VAT, plus shipping costs
Part no. 1812910
Artikelbild Brake disc kit 320mm
With adapter
For BMW GS models
€297.00
Prices incl. VAT, plus shipping costs
Part no. 3410490
NEW
1231107_1 Alternator
350W
BMW 2v Boxer from /7 on
€444.00
Prices incl. VAT, plus shipping costs
Part no. 1231107
Artikelbild Headlight
BMW G/S, GS models
LED technology
€309.00
Prices incl. VAT, plus shipping costs
Part no. 6312022L
Artikelbild Power Kit 860cc Plug & Play
BMW R 65 9/80 on, R 65LS, R 65 Mono, 48hp
€950.00
Prices incl. VAT, plus shipping costs
Part no. 1100870
Artikelbild Guidance sleeve
For Big Bore Kit
€3.95
Prices incl. VAT, plus shipping costs
Part no. 1109009
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